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7 Best Greens Supplements for Dogs

Written by: Justin Palmer
Justin Palmer is a Certified Pet Food Nutrition Specialist and co-founder of Inspired by his rescued husky, Splash, he dedicated himself to learning about extending both the length and quality of her life. Splash lived and thrived until 18 years old, and now Justin is on a mission to share what he learned with other dog owners.Read more
| Published on November 13, 2023

Best Greens for Dog Supplement

iHeartDogs is reader supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

In an increasingly eco-conscious world, more and more people are turning to sustainable, natural health solutions, not only for themselves but for their furry companions as well. Dogs, as our loyal best friends, depend on us for their well-being, and ensuring their diet is just as balanced and healthful as ours can go a long way in maintaining their vitality.

This growing interest in holistic health has given rise to a diverse market of green supplements for dogs. From spirulina and wheatgrass to chlorella and barley grass, these supplements provide a wide array of benefits aimed at enhancing our dogs’ overall health. This article delves into the world of green supplements, the potential benefits they hold for dogs, and how to responsibly and effectively incorporate them into your dog’s diet.

Related: 10 Best Fish Oil Supplements for Dogs


#1 (Best Overall) Super-Greens: Vitamin, Mineral & Probiotic Supplement for Dogs with Spirulina, Kelp, Green Tea, Spinach, Chlorella, & Broccolli Sprouts

Super Greens powder for Dogs is a natural multivitamin to cover your dogs vitamin and mineral needs through functional superfoods and helpful healthy bacteria. Works with kibble, freeze dried or  raw dog food.

  • Spirulina and Allergy Probiotics For Dogs – Spirulina and probiotics can help get your dog allergy relief. 
  • Alfalfa – A natural anti-inflammatory promotes mobility & joint health.
  • Broccoli Sprouts  Includes sulforaphane, an antioxidant that assists in reducing toxins & helps calm inflammation.
  • Better Gut Health –  With probiotic bacillus for immunity and digestive enzymes to help your dog maximize the nutrients from their food. Helps with digestion and solid stools.
  • Spinach  A rich source of fiber & helps boost energy levels. 
  • Chlorella Powder – Helps boost immune system and promotes improved digestion.
  • Kelp – An excellent source of vitamins and minerals for dogs. 
  • Antioxidant Protection – Help protect your dog’s cells from oxidative damage and free radicals that can lead to issues down the road.
  • A Softer Coat – Your dogs skin is the top indicator of their overall health. See your dog’s coat shine with proper micronutrition and gut building enzymes


#2 (Best Runner Up) Dog Greens- Organic and Wild Harvested Vitamin and Mineral Supplement for Dogs

Dog Greens is a vitamin and mineral supplement for dogs made with organic and wild harvested ingredients, including barley grass, wheat grass, alfalfa, kelp, Irish moss, chlorella, and natural spirulina. It can be added to homemade dog food, raw food, or kibble to provide bioavailable nutrients for pets of all ages, and is gluten-free, filler-free, and vegan. The product has been used by tens of thousands of dogs for over 20 years.


#3 – (Best with Probiotic) WOOOF Doggie Greens – Natural Dog Micronutrients & Probiotics

WOOOF Doggie Greens is a natural dog supplement that provides daily vitamins and minerals from superfoods like spirulina, kelp, and algae, as well as probiotics for better gut health and immunity. It promotes longevity and a softer coat while also providing antioxidant protection. The product comes in 90 chews and is designed to complement your dog’s daily food.



#4 – Four Leaf Rover Green Rover – Super Greens with Organic Broccoli Sprout and Spirulina Powder for Dogs – 15 to 120 Day Supply, Depending on Dog’s Weight – Liver Support – Vet Formulated

Four Leaf Rover Green Rover is a vet-formulated superfood powder for dogs made from freeze-dried, organic broccoli sprouts and fermented spirulina, kelp, greens, and grasses. It supports liver health and contains antioxidants, probiotics, vitamins, and trace minerals that can aid in overall immune support. Made from whole foods with no additives or fillers, it comes with a 30-day, full product refund if not completely satisfied.


#5 Ruff Greens – Vitamin & Mineral Supplement, Nutritional Support for Dogs, Probiotics for Dogs, Dog Vitamin Powder, Nutritionally Pure Superfood for Pets, 7.4 Ounce

Ruff Greens is a natural powdered supplement for dogs that provides them with essential vitamins and minerals, probiotics, and Omega oils they need for better health. The product is easy to use and can be added to any dog food, and it is suitable for all dog breeds, sizes, and ages. Ruff Greens is made from high-quality, human-grade ingredients and offers optimal balance for healthy coats, skin, and increased energy.


#6 – Wholistic Pet Organics Spirulina Powder Organic for Dogs Super Greens Powder Seasonal Allergy Support Supplement Dog Multivitamin USDA Certified Immune Support Vitamins Antioxidants and Minerals

Wholistic Pet Organics Spirulina Powder is an organic supplement for dogs that provides a natural boost of essential vitamins, minerals, and antioxidants. This powder supports the immune system, helps to increase energy, improves eye health, and aids in reducing skin rashes, allergies, and digestive issues. With a 100% satisfaction guarantee, this product has been trusted by veterinarians for over 15 years.


#7 – Canine Super Greens by Holistic Bin | Vegan Dog Nutritional Supplement with Marine Phytoplankton, Spirulina, Chlorella, & Fermented Barley Grass | Organic Skin and Coat Support (50 Grams)

Canine Super Greens by Holistic Bin is a plant-based dog nutritional supplement made from marine phytoplankton, spirulina, chlorella, and fermented barley grass. This vegan dog supplement contains all the essential nutrients and vitamins that dogs need to thrive without any fillers, preservatives, or additives. It also promotes optimal dog health, skin and coat support, metabolism health, gut flora health, and fresh breath. Safe for all dogs, it comes in an easy mix powder that can be added to food.


What Ingredients Should I Look for in My Greens for Dog Supplement?

Here’s 8 of our favorites:

  1. Decaffeinated Green Tea Extract: This ingredient, also known as Camellia sinensis, is rich in antioxidants known as polyphenols. These antioxidants help to combat oxidative stress, support the immune system, and contribute to overall canine wellness by promoting heart health and supporting weight management. Importantly, it’s decaffeinated to prevent any harmful effects of caffeine on dogs.
  2. Sulforaphane: Derived from cruciferous vegetables like broccoli, sulforaphane has potent antioxidant and anti-inflammatory properties. It helps in detoxifying the body, supporting brain health, and can provide potential anti-cancer benefits. It may also help improve heart health and digestion in dogs.
  3. Spirulina: This blue-green algae is packed with protein, vitamins, and minerals. It boosts the immune system, aids in gastrointestinal health, and provides antioxidant benefits. Additionally, spirulina can help improve a dog’s coat and skin health.
  4. Chlorella: Another beneficial algae, chlorella aids in detoxification, digestive health, and boosting the immune system. It’s rich in vitamins, minerals, and amino acids that can contribute to overall canine health.
  5. Kale: This superfood is rich in vitamins A, C, and K, as well as calcium and antioxidants. It supports eye health, boosts the immune system, and can aid in preventing heart disease in dogs.
  6. Blueberries: Blueberries are a great source of antioxidants, fiber, and vitamins C and K. They support a dog’s overall health by improving brain function, promoting heart health, and supporting the immune system.
  7. Turmeric: Turmeric contains curcumin, a compound with strong anti-inflammatory and antioxidant properties. It can help manage pain and inflammation, improve digestion, and may provide potential anti-cancer benefits for dogs.
  8. Flaxseed: High in omega-3 fatty acids, flaxseeds can improve skin and coat health, support heart health, and provide anti-inflammatory benefits. They also contain lignans, compounds that may have anti-cancer properties.

Related: 9 Best Pill Pockets for Dogs

Frequently Asked Questions about Greens for Dogs

  1. Q: What are green supplements for dogs? A: Green supplements for dogs are nutritional supplements formulated to provide dogs with essential vitamins, minerals, and antioxidants that they may not get enough of from their regular diet. They typically contain a mix of various green superfoods, herbs, and probiotics. They can support overall health, boost the immune system, promote good digestion, and help maintain a healthy coat and skin.
  2. Q: Can I give my dog human green supplements? A: Generally, it’s not recommended to give your dog human green supplements. Some ingredients in human supplements may not be safe or appropriate for dogs, and the dosages could be incorrect for a canine’s body size and metabolism. Always use supplements specifically designed for dogs, and consult your vet before starting any new supplement regimen.
  3. Q: How often should I give my dog a green supplement? A: The frequency of supplementation depends on the product and your dog’s specific health needs. However, many green supplements are designed to be given daily. Always follow the dosage instructions on the product label and consult with your veterinarian.
  4. Q: What should I look for in a green supplement for dogs? A: Look for a supplement that contains a variety of nutrient-dense ingredients, like spirulina, kale, or decaffeinated green tea extract. Check for high-quality manufacturing standards and ensure the supplement doesn’t contain harmful fillers or additives. If your dog has specific health issues, look for ingredients that address those needs.
  5. Q: Can green supplements replace a balanced diet for my dog? A: No, green supplements should not replace a balanced diet but should complement it. They are designed to provide additional nutrients that your dog may not get from their diet. Always ensure your dog is receiving a balanced, species-appropriate diet alongside any supplements.
  6. Q: Are there any side effects to giving my dog a green supplement? A: Most dogs tolerate green supplements well, but some may experience digestive upset, including diarrhea or vomiting, particularly when first introducing the supplement. If these symptoms persist, stop the supplement and consult your vet. Also, be sure to introduce any new supplement gradually and monitor your dog for any adverse reactions.
  7. Q: Can puppies take green supplements? A: It’s generally safe for puppies to take green supplements, but it’s important to choose a supplement that is appropriate for a puppy’s size and stage of development. Also, always consult with your vet before starting a new supplement regimen for your puppy.
  8. Q: Can I give my dog green supplements if they’re on medication? A: It depends on the medication your dog is taking, as some supplements could potentially interact with certain drugs. Before starting any new supplement, it’s important to discuss it with your vet, especially if your dog is currently on any medications.
  9. Q: Can green supplements help my dog’s coat and skin? A: Yes, many green supplements contain ingredients, like flaxseed and spirulina, that are rich in omega-3 fatty acids. These fatty acids can promote a shiny coat and healthy skin in dogs. Also, the antioxidant properties of many ingredients in green supplements can support skin health.
  10. Q: Can green supplements boost my dog’s immunity? A: Yes, green supplements often contain a range of antioxidants, vitamins, and minerals that can support a healthy immune system. Ingredients like blueberries, kale, and decaffeinated green tea extract are known to enhance immune health and help fight against disease.

Conclusion: Best Greens for Dog Supplements

Undoubtedly, green supplements have taken the canine nutrition world by storm, presenting an intriguing and promising avenue for improving our dogs’ health. Despite their potential benefits in boosting immunity, improving digestion, and offering critical nutrients, it’s important to remember that these supplements should be used as part of a balanced diet and not as a substitute for a varied, nutritionally complete meal. Furthermore, prior to introducing any supplement into your dog’s routine, a consultation with your veterinarian is paramount to ensure it is suitable and safe for your pet.

As we move towards a greener, more holistic approach to health, our dogs deserve to reap the benefits too, but always under the guidance of a qualified professional and with the overarching principle of ‘do no harm.’ Green supplements are not a magic bullet, but rather another tool in the arsenal of conscientious pet owners aiming to provide the best possible care for their beloved four-legged companions.

iHeartDogs is reader supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

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